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<div id=Content><div class="CSection"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="NewAC_DSP"></a>NewAC_DSP</h1><div class=CBody><p>This unit contains components performing various DSP related tasks.</p><p>&copy; 2008 Andrei Borovsky (<a href="#" onClick="location.href='mai' + 'lto:' + 'a' + 'nb' + '@' + 'symmetr' + 'ica.net'; return false;" class=LEMail>a<span style="display: none">.nosp@m.</span>nb<span>@</span>symmetr<span style="display: none">.nosp@m.</span>ica.net</a>).&nbsp; All rights reserved.&nbsp; See the LICENSE file for more details.</p><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#NewAC_DSP" >NewAC_DSP</a></td><td class=SDescription>This unit contains components performing various DSP related tasks.</td></tr><tr class="SClass"><td class=SEntry><a href="#TFrequencyAnalysis" >TFrequencyAnalysis</a></td><td class=SDescription>A descendent of <a href="ACS_Classes-pas.html#TAuOutput" class=LClass id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">TAuOutput</a> which generates input&rsquo;s frequency spectrum using averaged real DFT.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#TFrequencyAnalysis.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.SaveMagnitude" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">SaveMagnitude</a></td><td class=SDescription>This method saves magnitude series obtained at channel Channel to the file specified by FileName.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#TFrequencyAnalysis.SaveLogMagnitude" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">SaveLogMagnitude</a></td><td class=SDescription>This method saves logarithmed magnitude series obtained at channel Channel to the file specified by FileName.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#TFrequencyAnalysis.Properties" >Properties</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.Magnitude" >Magnitude</a></td><td class=SDescription>Returns the value of the magnitude specified by channel number and index. </td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#TFrequencyAnalysis.LogMagnitude" >LogMagnitude</a></td><td class=SDescription>Returns the logarithm of the magnitude specified by channel number and index. </td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.Power" >Power</a></td><td class=SDescription>Returns the power (square of magnitude) specified by channel number and index. </td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#TFrequencyAnalysis.LogMagnitude" >LogMagnitude</a></td><td class=SDescription>Returns the logarithm of the power specified by channel number and index. </td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.Separator" >Separator</a></td><td class=SDescription>Use this property to specify the character used to delimit the values being saved to a file.</td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#TFrequencyAnalysis.N" >N</a></td><td class=SDescription>The number of input points for performing real DFT. </td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.Window" >Window</a></td><td class=SDescription>Use this property to select the type of the window applied to the input data.</td></tr><tr class="SClass"><td class=SEntry><a href="#TConvolver" >TConvolver</a></td><td class=SDescription>This component performs convolution. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#TConvolver.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#TConvolver.SetKernel" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">SetKernel</a></td><td class=SDescription>Call this method to set the convolution kernel (impulse response function).</td></tr><tr class="SClass"><td class=SEntry><a href="#TDifferenceEquation" >TDifferenceEquation</a></td><td class=SDescription>This component calculates its output following the equation y[n] = a0*x[n]</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#TDifferenceEquation.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#TDifferenceEquation.SetCoefficients" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">SetCoefficients</a></td><td class=SDescription>Sets coefficients for the equation. </td></tr><tr class="SClass"><td class=SEntry><a href="#TGainProcessor" >TGainProcessor</a></td><td class=SDescription>This component processes audio data passing throug depending on tge gain level. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#TGainProcessor.Properties" >Properties</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#TGainProcessor.State" >State</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#TGainProcessor.SkipSilenceEnabled" >SkipSilenceEnabled</a></td><td class=SDescription>Sets the selince-skipping mode on and off.</td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#TGainProcessor.MinSilenceInterval" >MinSilenceInterval</a></td><td class=SDescription>Sets the interval for the silence detection in seconds. </td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#TGainProcessor.SilenceThreshold" >SilenceThreshold</a></td><td class=SDescription>Sets the gain threshold to distinguish a sound from the silence. </td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#TGainProcessor.OnStateChanged" >OnStateChanged</a></td><td class=SDescription>This event indicates thet the component&rsquo;s <a href="#TGainProcessor.State" class=LProperty >State</a> has changed. </td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>

<div class="CClass"><div class=CTopic><h2 class=CTitle><a name="TFrequencyAnalysis"></a>TFrequencyAnalysis</h2><div class=CBody><p>A descendent of <a href="ACS_Classes-pas.html#TAuOutput" class=LClass id=link8 onMouseOver="ShowTip(event, 'tt1', 'link8')" onMouseOut="HideTip('tt1')">TAuOutput</a> which generates input&rsquo;s frequency spectrum using averaged real DFT.</p><p>TFrequencyAnalysis is an output component, but unlike other output components it doesn&rsquo;t provide audio data.&nbsp; TFrequencyAnalysis&rsquo;s output is an audio frequency spectrum.&nbsp; TFrequencyAnalysis normalizes its input values so all the output frequency and power values are normalized.</p><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SGroup"><td class=SEntry><a href="#TFrequencyAnalysis.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.SaveMagnitude" id=link6 onMouseOver="ShowTip(event, 'tt2', 'link6')" onMouseOut="HideTip('tt2')">SaveMagnitude</a></td><td class=SDescription>This method saves magnitude series obtained at channel Channel to the file specified by FileName.</td></tr><tr class="SFunction SIndent1"><td class=SEntry><a href="#TFrequencyAnalysis.SaveLogMagnitude" id=link7 onMouseOver="ShowTip(event, 'tt3', 'link7')" onMouseOut="HideTip('tt3')">SaveLogMagnitude</a></td><td class=SDescription>This method saves logarithmed magnitude series obtained at channel Channel to the file specified by FileName.</td></tr><tr class="SGroup"><td class=SEntry><a href="#TFrequencyAnalysis.Properties" >Properties</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.Magnitude" >Magnitude</a></td><td class=SDescription>Returns the value of the magnitude specified by channel number and index. </td></tr><tr class="SProperty SIndent1"><td class=SEntry><a href="#TFrequencyAnalysis.LogMagnitude" >LogMagnitude</a></td><td class=SDescription>Returns the logarithm of the magnitude specified by channel number and index. </td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.Power" >Power</a></td><td class=SDescription>Returns the power (square of magnitude) specified by channel number and index. </td></tr><tr class="SProperty SIndent1"><td class=SEntry><a href="#TFrequencyAnalysis.LogMagnitude" >LogMagnitude</a></td><td class=SDescription>Returns the logarithm of the power specified by channel number and index. </td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.Separator" >Separator</a></td><td class=SDescription>Use this property to specify the character used to delimit the values being saved to a file.</td></tr><tr class="SProperty SIndent1"><td class=SEntry><a href="#TFrequencyAnalysis.N" >N</a></td><td class=SDescription>The number of input points for performing real DFT. </td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#TFrequencyAnalysis.Window" >Window</a></td><td class=SDescription>Use this property to select the type of the window applied to the input data.</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.Functions"></a>Functions</h3></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.SaveMagnitude"></a>SaveMagnitude</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>procedure SaveMagnitude(</td><td class=PParameter nowrap>Channel :</td><td class=PType nowrap>&nbsp;Word;</td></tr><tr><td></td><td class=PParameter nowrap>const FileName :</td><td class=PType nowrap>&nbsp;String</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>This method saves magnitude series obtained at channel Channel to the file specified by FileName.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.SaveLogMagnitude"></a>SaveLogMagnitude</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>procedure SaveLogMagnitude(</td><td class=PParameter nowrap>Channel :</td><td class=PType nowrap>&nbsp;Word;</td></tr><tr><td></td><td class=PParameter nowrap>const FileName :</td><td class=PType nowrap>&nbsp;String</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>This method saves logarithmed magnitude series obtained at channel Channel to the file specified by FileName.</p></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.Properties"></a>Properties</h3></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.Magnitude"></a>Magnitude</h3><div class=CBody><p>Returns the value of the magnitude specified by channel number and index.&nbsp; Valid indeces range from 0 to <a href="#TFrequencyAnalysis.N" class=LProperty id=link9 onMouseOver="ShowTip(event, 'tt6', 'link9')" onMouseOut="HideTip('tt6')">N</a>/2.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.LogMagnitude"></a>LogMagnitude</h3><div class=CBody><p>Returns the logarithm of the magnitude specified by channel number and index.&nbsp; Valid indeces range from 0 to <a href="#TFrequencyAnalysis.N" class=LProperty id=link10 onMouseOver="ShowTip(event, 'tt6', 'link10')" onMouseOut="HideTip('tt6')">N</a>/2.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.Power"></a>Power</h3><div class=CBody><p>Returns the power (square of magnitude) specified by channel number and index.&nbsp; Valid indeces range from 0 to <a href="#TFrequencyAnalysis.N" class=LProperty id=link11 onMouseOver="ShowTip(event, 'tt6', 'link11')" onMouseOut="HideTip('tt6')">N</a>/2.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.LogMagnitude"></a>LogMagnitude</h3><div class=CBody><p>Returns the logarithm of the power specified by channel number and index.&nbsp; Valid indeces range from 0 to <a href="#TFrequencyAnalysis.N" class=LProperty id=link12 onMouseOver="ShowTip(event, 'tt6', 'link12')" onMouseOut="HideTip('tt6')">N</a>/2.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.Separator"></a>Separator</h3><div class=CBody><p>Use this property to specify the character used to delimit the values being saved to a file.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.N"></a>N</h3><div class=CBody><p>The number of input points for performing real DFT.&nbsp; Magnitude calculation produces N/2 + 1 values that represent the frequency distrbution between 0 and samplerate/2.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TFrequencyAnalysis.Window"></a>Window</h3><div class=CBody><p>Use this property to select the type of the window applied to the input data.</p></div></div></div>

<div class="CClass"><div class=CTopic><h2 class=CTitle><a name="TConvolver"></a>TConvolver</h2><div class=CBody><p>This component performs convolution.&nbsp; Descends from <a href="ACS_Classes-pas.html#TAuOutput" class=LClass id=link14 onMouseOver="ShowTip(event, 'tt1', 'link14')" onMouseOut="HideTip('tt1')">TAuOutput</a>.</p><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SGroup"><td class=SEntry><a href="#TConvolver.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#TConvolver.SetKernel" id=link13 onMouseOver="ShowTip(event, 'tt4', 'link13')" onMouseOut="HideTip('tt4')">SetKernel</a></td><td class=SDescription>Call this method to set the convolution kernel (impulse response function).</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="TConvolver.Functions"></a>Functions</h3></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="TConvolver.SetKernel"></a>SetKernel</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>procedure SetKernel(</td><td class=PParameter nowrap>const K :</td><td class=PType nowrap>&nbsp;array of Single</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Call this method to set the convolution kernel (impulse response function).</p></div></div></div>

<div class="CClass"><div class=CTopic><h2 class=CTitle><a name="TDifferenceEquation"></a>TDifferenceEquation</h2><div class=CBody><p>This component calculates its output following the equation y[n] = a0*x[n]</p><ul><li>a1*x[n-1] + ...&nbsp; + b0*y[n-1] + b1*y[n-2]...</li></ul><p>Descends from <a href="ACS_Classes-pas.html#TAuConverter" class=LClass id=link16 onMouseOver="ShowTip(event, 'tt7', 'link16')" onMouseOut="HideTip('tt7')">TAuConverter</a>.</p><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SGroup"><td class=SEntry><a href="#TDifferenceEquation.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#TDifferenceEquation.SetCoefficients" id=link15 onMouseOver="ShowTip(event, 'tt5', 'link15')" onMouseOut="HideTip('tt5')">SetCoefficients</a></td><td class=SDescription>Sets coefficients for the equation. </td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="TDifferenceEquation.Functions"></a>Functions</h3></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="TDifferenceEquation.SetCoefficients"></a>SetCoefficients</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>procedure SetCoefficients(</td><td class=PParameter nowrap>const A,</td><td class=PType nowrap>&nbsp;</td></tr><tr><td></td><td class=PParameter nowrap>B :</td><td class=PType nowrap>&nbsp;array of Single</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets coefficients for the equation.&nbsp; A is a vector of a0...an, B is a vector of b0...bn.&nbsp; The same set of coefficients is applied to all input channels.</p></div></div></div>

<div class="CClass"><div class=CTopic><h2 class=CTitle><a name="TGainProcessor"></a>TGainProcessor</h2><div class=CBody><p>This component processes audio data passing throug depending on tge gain level.&nbsp; Carrently it can detect the periods of silence and skip them (like TVoiceFilter does on Windows Vista and above).&nbsp; The component requires libgain.dll.&nbsp; Descends from <a href="ACS_Classes-pas.html#TAuConverter" class=LClass id=link17 onMouseOver="ShowTip(event, 'tt7', 'link17')" onMouseOut="HideTip('tt7')">TAuConverter</a>.</p><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SGroup"><td class=SEntry><a href="#TGainProcessor.Properties" >Properties</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#TGainProcessor.State" >State</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent1"><td class=SEntry><a href="#TGainProcessor.SkipSilenceEnabled" >SkipSilenceEnabled</a></td><td class=SDescription>Sets the selince-skipping mode on and off.</td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#TGainProcessor.MinSilenceInterval" >MinSilenceInterval</a></td><td class=SDescription>Sets the interval for the silence detection in seconds. </td></tr><tr class="SProperty SIndent1"><td class=SEntry><a href="#TGainProcessor.SilenceThreshold" >SilenceThreshold</a></td><td class=SDescription>Sets the gain threshold to distinguish a sound from the silence. </td></tr><tr class="SProperty SIndent1 SMarked"><td class=SEntry><a href="#TGainProcessor.OnStateChanged" >OnStateChanged</a></td><td class=SDescription>This event indicates thet the component&rsquo;s <a href="#TGainProcessor.State" class=LProperty >State</a> has changed. </td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="TGainProcessor.Properties"></a>Properties</h3></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TGainProcessor.State"></a>State</h3><div class=CBody><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>Returns the current silence skipping state which is one of the two: gcPassing</td><td class=CDLDescription>a sound is detected the data is passing throug, gcSkipping - the silence is detected and the data doesn&rsquo;t pass through.</td></tr></table></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TGainProcessor.SkipSilenceEnabled"></a>SkipSilenceEnabled</h3><div class=CBody><p>Sets the selince-skipping mode on and off.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TGainProcessor.MinSilenceInterval"></a>MinSilenceInterval</h3><div class=CBody><p>Sets the interval for the silence detection in seconds.&nbsp; It the input is silent for more than this value, the component starts skipping further silence.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TGainProcessor.SilenceThreshold"></a>SilenceThreshold</h3><div class=CBody><p>Sets the gain threshold to distinguish a sound from the silence.&nbsp; Values range from 0 to 100.</p></div></div></div>

<div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="TGainProcessor.OnStateChanged"></a>OnStateChanged</h3><div class=CBody><p>This event indicates thet the component&rsquo;s <a href="#TGainProcessor.State" class=LProperty >State</a> has changed.&nbsp; Unlike most other NewAC events it is delivered synchronously, so you should avoid updating GUI directly from its handler.</p></div></div></div>

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<div id=Menu><div class=MTitle>NewAC<div class=MSubTitle>v2.6.1</div></div><div class=MEntry><div class=MGroup><a href="javascript:ToggleMenu('MGroupContent1')">Documentation</a><div class=MGroupContent id=MGroupContent1><div class=MEntry><div class=MFile><a href="../doc/txt/introduction-txt.html">Quick Introduction to NewAC</a></div></div><div class=MEntry><div class=MFile><a href="../doc/txt/about_documentation-txt.html">About the Documentation</a></div></div><div class=MEntry><div class=MFile><a href="../doc/txt/cwguide-txt.html">Component Writer&rsquo;s Guide</a></div></div><div class=MEntry><div class=MFile><a href="../doc/txt/license-txt.html">License</a></div></div><div class=MEntry><div class=MFile><a href="../doc/txt/tips_and_tricks-txt.html">Tips &amp; Tricks</a></div></div><div class=MEntry><div class=MFile><a href="../doc/txt/newac-txt.html">About New Audio Components</a></div></div><div class=MEntry><div class=MFile><a href="../doc/txt/features-txt.html">NewAC Main 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<!--START_ND_TOOLTIPS-->
<div class=CToolTip id="tt1"><div class=CClass>The ancestor class for all output components.</div></div><div class=CToolTip id="tt2"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>procedure SaveMagnitude(</td><td class=PParameter nowrap>Channel :</td><td class=PType nowrap>&nbsp;Word;</td></tr><tr><td></td><td class=PParameter nowrap>const FileName :</td><td class=PType nowrap>&nbsp;String</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>This method saves magnitude series obtained at channel Channel to the file specified by FileName.</div></div><div class=CToolTip id="tt3"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>procedure SaveLogMagnitude(</td><td class=PParameter nowrap>Channel :</td><td class=PType nowrap>&nbsp;Word;</td></tr><tr><td></td><td class=PParameter nowrap>const FileName :</td><td class=PType nowrap>&nbsp;String</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>This method saves logarithmed magnitude series obtained at channel Channel to the file specified by FileName.</div></div><div class=CToolTip id="tt4"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>procedure SetKernel(</td><td class=PParameter nowrap>const K :</td><td class=PType nowrap>&nbsp;array of Single</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Call this method to set the convolution kernel (impulse response function).</div></div><div class=CToolTip id="tt5"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>procedure SetCoefficients(</td><td class=PParameter nowrap>const A,</td><td class=PType nowrap>&nbsp;</td></tr><tr><td></td><td class=PParameter nowrap>B :</td><td class=PType nowrap>&nbsp;array of Single</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets coefficients for the equation. </div></div><div class=CToolTip id="tt6"><div class=CProperty>The number of input points for performing real DFT. </div></div><div class=CToolTip id="tt7"><div class=CClass>Descends from TAuInput, the base class for all converter components. </div></div><!--END_ND_TOOLTIPS-->




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